GAS-BARRIER CONTAINERS - MITSUBISHI GAS CHEMICAL CO

Title:

GAS-BARRIER CONTAINERS

Document Type and Number:

WIPO Patent Application WO/2004/000681

Kind Code:

A1

Abstract:

A gas-barrier container having at least one gas-barrier layer, characterized in that the gas-barrier layer is made of a cured epoxy resin obtained by curing an epoxy resin composition mainly comprising an epoxy resin and a curing agent for epoxy resin and that the cured epoxy resin contains the skeletal structure of formula (1) in an amount of 30 wt% or above. The gas-barrier container exhibits high gas-barrier properties and a low environmental load by virtue of the use of a non-halogen gas-barrier material and is advantageous in economical efficiency and workability in production steps and excellent in interlaminar strength, gas-barrier properties under high humidity, impact resistance, and resistance to retorting, thus being usable as container for foods or drinks, packaging material for drugs, and so on.

Inventors:

KOYAMA TAKESHI (JP)
KUTSUNA TAKAAKI (JP)
KIHARA SHUTA (JP)

Application Number:

PCT/JP2003/007977

Publication Date:

December 31, 2003

Filing Date:

June 24, 2003

Export Citation:

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Assignee:

MITSUBISHI GAS CHEMICAL CO (JP)
KOYAMA TAKESHI (JP)
KUTSUNA TAKAAKI (JP)
KIHARA SHUTA (JP)

International Classes:

B32B27/08; B32B27/38; (IPC1-7): B65D65/40; B32B27/38

Foreign References:

JP2001138459A	2001-05-22
JP2002363316A	2002-12-18
JP2003128022A	2003-05-08
JP2003127302A	2003-05-08

Other References: